Home / 13,743.10-20,614.65-8,818.30

Finding the Fourth Proportional to 13,743.10, 20,614.65 and 8,818.30

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Solution

The fourth proportional to 13,743.10, 20,614.65 and 8,818.30 is: 13,227.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743.10 : 20,614.65 = 8,818.30 : x
  2. Step 2: Convert to fraction form
    13,743.10/20,614.65 = 8,818.30/x
  3. Step 3: Cross multiply
    13,743.10x = 20,614.65 × 8,818.30
  4. Step 4: Simplify right side
    13,743.10x = 181,786,168.10
  5. Step 5: Solve for x
    x = 181,786,168.10/13,743.10
  6. Step 6: Final answer
    x = 13,227.45

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.